Excellent PLC
Product Introduction
The Allen-Bradley 1746-OB32/D is a high-density DC digital output module designed for the SLC 500 programmable controller system. As a Series D version, it provides enhanced stability and compatibility within modernized SLC 500 installations while maintaining full backward compatibility with existing systems.
This module offers 32 transistor-based sourcing output channels, allowing efficient control of multiple DC field devices from a single module. It operates within a 5–50V DC output range, making it suitable for a wide variety of industrial applications including control of relays, solenoids, indicator lamps, and low-power actuators.
The 1746-OB32/D is built with a solid-state output structure, ensuring fast switching performance and reduced mechanical wear. Its compact, high-density design helps optimize cabinet space while maintaining reliable operation in demanding industrial environments.
Product Specifications
| Parameter | Description |
|---|---|
| Manufacturer | Allen-Bradley |
| Series | SLC 500 |
| Module Type | DC Digital Output Module |
| Catalog Number | 1746-OB32/D |
| Series Version | Series D |
| Module Classification | High-Density Output Module |
| Number of Channels | 32 Outputs |
| Output Type | Transistor Sourcing (PNP) |
| Output Voltage Range | 5–50V DC |
| Output Current (per channel) | Approx. 0.5 A (typical) |
| Total Module Current | Limited by thermal characteristics |
| Output Configuration | Solid-state transistor outputs |
| Switching Speed | High-speed |
| Isolation | Group isolation (backplane to field) |
| Backplane Current Consumption | Approx. 0.270 A |
| Operating Temperature | 0 to 60°C |
| Storage Temperature | -40 to 85°C |
| Installation | SLC 500 Chassis |
| Wiring Category | Category 1 |
| Dimensions | 144.5 × 34.6 × 130.18 mm |
| Weight | 0.23 kg |
Applications
● High-Density Automation Systems
Designed for systems requiring a large number of DC outputs within limited panel space.
● Industrial Machine Control
Controls actuators, relays, and indicator devices in automated equipment and machinery.
● Packaging and Assembly Lines
Supports fast and reliable switching in high-speed production environments.
● Material Handling Systems
Used to control conveyors, sorting equipment, and positioning devices.
● Distributed Control Panels
Ideal for centralized control of multiple output devices in complex systems.
Advantages
● 32-Channel High-Density Design
Maximizes output capacity while minimizing required rack space.
● Fast Transistor Switching
Enables rapid response for time-critical control applications.
● Wide DC Voltage Compatibility
Supports 5–50V DC, making it adaptable to various field devices.
● Improved Series D Reliability
Enhanced design provides better stability and performance consistency.
● Solid-State Durability
Eliminates mechanical wear, ensuring long-term reliable operation.
● Efficient System Integration
Fully compatible with SLC 500 architecture for easy deployment.
